45 it system administrator jobs at 34 companies in Oak Park, CA

1mo
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IT System Administrator
Los Angeles or El Segundo or Hawthorne
$80k-$100k/yr OnsiteFull Time
Freeform
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
1+ YOE1+ years system administration experience with on-prem infrastructure, Windows/Linux administration, Active Directory/Azure AD, endpoint management (Intune,GPO), networking, AV support, lifting ability, and security-first mindset.
Kubernetes (k8s), Ansible, PowerShell DSC, AWS, Azure, GCP, Grafana, Prometheus, Python, Bash, PowerShell, Siemens Teamcenter, MATLAB, Visual Studio, Active Directory, Azure AD / Entra ID, Microsoft Intune, Group Policy (GPOs), SAN
3mo
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IT System Administrator
Commerce, California, United States
$55k-$59k/yr OnsiteFull Time
Wesley Health Centers
Wesley Health Centers: Nonprofit federally qualified health center serving underserved Los Angeles County residents with healthcare and supportive services.
3+ YOE3+ years Windows server administration; associate degree or equivalent experience; strong AD, EHR, and IT infrastructure skills.
Windows Server, Active Directory, Office 365, NextGen EHR, EDR, Care Sentry, Welligent, Casewatch, antivirus, backup, monitoring
2mo
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Senior IT System Administrator
Long Beach, California, United States
$107k-$152k/yr OnsiteFull Time
Vast
Vast: Develops and operates commercial artificial-gravity space stations.
4+ YOE4+ years enterprise IT systems administration; expertise with Windows Server, Active Directory, Group Policy, endpoint management (JAMF/Intune/SCCM), patch management, scripting (PowerShell/Python/Bash), virtualization, and networking fundamentals.
Windows Server, Active Directory Domain Services, Group Policy, Configuration Manager (SCCM), JAMF, Linux, VMware, Hyper-V, PowerShell, Python, Bash, WSUS, Ivanti, Automox, NIST 800-53, CIS benchmarks, CMMC
2mo
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System Administrator, IT Services
Calabasas, California, United States
$90k-$100k/yr OnsiteFull Time
AmaWaterways
AmaWaterways: Luxury river cruise line serving travelers with immersive, family-run journeys across Europe, Asia, Africa and South America.
3+ YOE3–5 years system administration experience; Associate's or Bachelor's in IT/CS/IS or equivalent; hands-on with VMware, Citrix, Microsoft 365/Entra, Azure/AWS, 8x8, Cisco, Intune, PowerShell, ITSM and backup/patch management; participates in on-call rotation.
VMware vSphere, ESXi, vCenter, Citrix Cloud, Citrix DaaS, Citrix Virtual Apps and Desktops, Microsoft 365, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint Online, OneDrive, Active Directory, Microsoft Entra ID, Microsoft Azure, AWS, 8x8, Cisco, Windows Server, Linux, Microsoft Intune, Windows 10, Windows 11, macOS, ServiceNow, Jira Service Management, Freshservice, PowerShell, Microsoft Office, Veeam, Microsoft Teams Rooms
1mo
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Senior IT Administrator
El Segundo, California, United States
$99k-$117k/yr OnsiteFull Time
CesiumAstro
CesiumAstro: Develops phased array communication systems for satellites and aircraft.
5+ YOE5+ years IT support/systems administration, strong AD/Azure AD/Entra ID, M365 and Intune skills, AWS experience, IT security knowledge, advanced troubleshooting, and strong communication.
Active Directory, Azure AD/Entra ID, Microsoft Outlook, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Purview, Intune, AWS, VPN
3w
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Senior IT Administrator
Sherman Oaks, California, United States
HybridFull Time
Oxford Road
Oxford Road: Audio and creator-based performance advertising agency.
5+ YOE5+ years in IT systems administration/endpoint management, hands-on MDM/EMM (Jamf or Intune), IAM (Okta/Azure AD/Google Workspace), SaaS admin (Salesforce/Qlik/Tableau), security and incident response experience, and people management skills.
Jamf, Intune, Okta, Azure AD, Google Workspace, Salesforce, Qlik, Tableau
2d
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Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr OnsiteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
7+ YOEBachelor's degree in IT, computer science, engineering, or related field; 7+ years in systems administration or infrastructure support. Advanced Windows, Microsoft 365, virtualization, networking, and troubleshooting expertise required.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Intune, SCCM, VMware, Hyper-V, TCP/IP, ServiceNow, ITSM, CAB
2d
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Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
7+ YOEBachelor's degree in IT, computer science, engineering, or related field; 7+ years of systems administration or infrastructure support experience. Preferred Azure, Microsoft 365, ITIL, VMware, Server+, or Network+ certifications.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Intune, SCCM, VMware, Hyper-V, ServiceNow, ITSM
2d
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Sr IT Systems Administrator
Long Beach, California, United States
$63k-$74k/yr HybridFull Time
Cognizant
CognizantNASDAQ: CTSH: Global professional services providing technology and consulting services.
7+ YOEBachelor's degree in a related field and 7+ years of systems administration or infrastructure support experience. Requires Windows Server, Active Directory, Microsoft 365, networking, virtualization, monitoring, ITIL, and advanced troubleshooting skills.
Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft 365, Exchange Online, Teams, Microsoft SharePoint, OneDrive, Intune, SCCM, TCP/IP, VMware, Hyper-V, ServiceNow, ITSM
1mo
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IT Systems Administrator, IT Applications
Redmond or Hawthorne or Bastrop
$95k-$150k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
3+ YOEBachelor's or equivalent experience,3+ years managing enterprise applications,experience with Atlassian administration,API integrations (REST,GraphQL,webhooks),scripting (Groovy,Python,Java),and SQL in Linux environments.
Jira Software, Jira Service Management, Confluence, REST, GraphQL, webhooks, Groovy, Python, Java, SQL, Linux, ScriptRunner
3d
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IT Systems Administrator
Seattle or Vancouver or Toronto or Los Angeles or Phoenix or Chicago
$80k-$90k/yr OnsiteFull Time
Onni Group
Onni Group: Develops, constructs, and manages residential and commercial real estate.
4+ YOERequires a diploma or bachelor's degree in IT, computer science, or related field; 4–7 years of IT support experience; Tier 2 troubleshooting, Windows, Microsoft 365, identity, and networking expertise.
Windows 10/11, macOS, Microsoft 365, Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Active Directory, Entra ID, MFA, DNS, DHCP, VPN, Wi-Fi, VoIP, Windows Server, Halo PSA, PSA, RMM, EDR, CompTIA A+, CompTIA Network+
2mo
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
Maintain and configure secure enterprise and air-gapped systems; administer Windows Server, VMware, and Red Hat Linux; obtain DoD IAT/ Security+ certifications; active U.S. TS/SCI security clearance required.
Windows Server, Windows 10, VMware vCenter, VMware vSphere, Red Hat Linux, Active Directory (AD), VEEAM Backup Suite, Power Protect Data Manager, Cisco, Palo Alto, Juniper, DNS, Group Policy, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project, DoD STIGs
2mo
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IT Systems Administrator - Millennium Space Systems
El Segundo, California, United States
$103k-$174k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
Maintain and administer secure enterprise and air-gapped systems (Windows Server, VMware, Red Hat Linux); provide Tier II support; maintain documentation; must hold an active U.S. Top Secret/SCI clearance and be a U.S. Person.
Windows Server, Windows 10, VMware vCenter, vSphere, Red Hat Linux, Active Directory, DoD STIGs, Cisco, Palo Alto, Juniper, VEEAM Backup Suite, Power Protect Data Manager, DNS, Group Policies, Microsoft Outlook, Microsoft Word, Microsoft Excel, Microsoft Project
2w
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IT & Systems Administrator - SoCal Region
San Diego or Vista or San Juan Capistrano or Redondo Beach or Orange or Oceanside or California
$38-$46/hr HybridFull Time
Devil Mountain Wholesale Nursery
Devil Mountain Wholesale Nursery: Private wholesale nursery supplying plants and trees to California landscape professionals, contractors, designers, municipalities, and end users.
5+ YOERequires 5+ years of IT administration and end-user support, Microsoft 365 and Entra ID experience, endpoint management, PowerShell, Windows Server, Active Directory, networking, a California driver's license, and regular regional travel.
Microsoft 365, Exchange Online, Microsoft SharePoint, OneDrive, Microsoft Teams, Entra ID (Azure AD), Entra Connect, Active Directory, Microsoft Intune, PowerShell, NetSuite, Celigo, RingCentral, Point-of-sale systems, Windows Server, RMM, VMWare, MS-102, AZ-104, SC-300, MD-102
1d
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IT Cloud & Identity Administrator II (Remote)
Los Angeles, California, United States
$123k-$128k/yr RemoteFull Time
California FAIR Plan Association
California FAIR Plan Association: Private insurance association providing basic property coverage to California homeowners and businesses unable to obtain traditional insurance.
5+ YOEBachelor’s degree preferred or equivalent experience; 5+ years in systems, cloud, identity, or security administration; advanced Microsoft cloud expertise and knowledge of access management, security operations, scripting, and automation.
Microsoft 365, Microsoft Entra ID, Microsoft Azure, AWS, Active Directory, Microsoft Intune, Autopilot, Exchange Online, Microsoft SharePoint, Microsoft OneDrive, Microsoft Teams, PowerShell, SAML, OIDC, SCIM, Terraform, CIS, NIST, SOC 2, ISO 27001
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IT Systems Administrator-Collaboration Tools
Ventura, California, United States
$78k-$142k/yr OnsiteFull Time
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
5+ YOEAdminister and automate collaboration, productivity, and AI platforms; troubleshoot complex issues; ensure security, compliance, and governance; 5+ years experience; PowerShell skills; ITIL and SOX experience desired.
Microsoft 365, Microsoft Exchange Online, Microsoft SharePoint Online, Microsoft OneDrive, Microsoft Power Platform, Microsoft Copilot Chat, Microsoft PowerShell, Slack, Zoom, Smartsheet, MPC Servers
1w
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IT Systems Administrator, Sr. (Level 3) / Onsite: Palmdale, CA
Palmdale, California, United States
$96k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Requires Windows and Red Hat Linux administration, RMF and STIG implementation, vulnerability remediation, security management, DoD 8570 IAT II/III certification, U.S. citizenship, and ability to lift 30 pounds.
Windows 10/11, Windows Server, Red Hat Linux 7/8/9, Risk Management Framework (RMF), Security Technical Implementation Guide (STIG), Nessus, McAfee, Shavlik, SCAP, VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN, VXRail, NetApp, EMC, TCP/IP, DNS, DHCP, LDAP, MCSE, Network+
1w
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IT Systems Engineer
Westlake Village, California, United States
OnsiteFull Time
Oaks Christian School
Oaks Christian School: Private Christian school providing college-preparatory education for students.
2+ YOEBachelor's degree in computer science, computer information systems, or related field; 2+ years with Cisco, Microsoft, and Apple networking technologies; network protocols and systems administration experience.
Microsoft Office 365, Google Chrome, Google Suite, Microsoft Deployment Tools (MDT), Apple Device Enrollment Program (DEP), Windows Server, Microsoft Active Directory, Microsoft Exchange, SQL, IIS, Cisco IP Phones, TCP/IP, DNS, DHCP
2d
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IT Manager
Los Angeles or New York City
$85k-$100k/yr OnsiteFull Time
Ghost: An inventory distribution platform and operating system helping retail brands route inventory globally.
5+ YOERequires 5+ years in IT support, systems administration, or network engineering; expertise in Windows, macOS, Google Workspace, Active Directory, Group Policy, Office 365, networking, cloud platforms, ITSM, budgets, and vendors.
Windows, macOS, Google Workspace, Active Directory, Group Policy, Office 365, TCP/IP, DNS, DHCP, VLANs, VPNs, AWS, Azure, Google Cloud, ServiceNow, Jira, Zendesk, PowerShell, Python
6d
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IT Systems Coordinator
Duarte, California, United States
OnsiteFull Time
Value Windows & Doors
Value Windows & Doors: Manufacturer of high-performance custom windows and doors.
3+ YOERequires 3+ years of IT support, systems administration, or network support experience; Microsoft 365, Active Directory, Windows, networking, and ERP experience; degree preferred or equivalent experience.
Microsoft 365, Active Directory, Oracle NetSuite, A+W, VPN, VoIP, SQL Server, SAP, Epicor, Microsoft Dynamics, Windows